2: #include <../src/ksp/ksp/impls/gmres/gmresimpl.h> /*I "petscksp.h" I*/
6: /*@
7: KSPGMRESSetPreAllocateVectors - Causes GMRES and FGMRES to preallocate all its
8: needed work vectors at initial setup rather than the default, which
9: is to allocate them in chunks when needed.
11: Logically Collective on KSP
13: Input Parameter:
14: . ksp - iterative context obtained from KSPCreate
16: Options Database Key:
17: . -ksp_gmres_preallocate - Activates KSPGmresSetPreAllocateVectors()
19: Level: intermediate
21: .keywords: GMRES, preallocate, vectors
23: .seealso: KSPGMRESSetRestart(), KSPGMRESSetOrthogonalization(), KSPGMRESGetOrthogonalization()
24: @*/
25: PetscErrorCode KSPGMRESSetPreAllocateVectors(KSP ksp)
26: {
30: PetscTryMethod(ksp,"KSPGMRESSetPreAllocateVectors_C",(KSP),(ksp));
31: return(0);
32: }